A181313 - OEIS

A181313 as a simple table

n	a(n)
0	1
1	2
2	2
3	3
4	2
5	28
6	1
7	13
8	1
9	2
10	1
11	123
12	1
13	6
14	1
15	2039
16	2
17	2
18	6
19	262111
20	1
21	35
22	1
23	1
24	3
25	536870655
26	1
27	2
28	1
29	15
30	1
31	3
32	3
33	1
34	1
35	1
36	2
37	140737488347135
38	1
39	1
40	1
41	1
42	1
43	127
44	1
45	7
46	7
47	1
48	5
49	2
50	2
51	75557863725914321321983
52	1
53	1
54	2
55	5
56	1
57	2047
58	2
59	2
60	5
61	1
62	31
63	6
64	1
65	1
66	3
67	2
68	2

[1,2,2,3,2,28,1,13,1,2,1,123,1,6,1,2039,2,2,6, 262111,1,35,1,1,3,536870655,1,2,1,15,1,3,3,1,1,1, 2,140737488347135,1,1,1,1,1,127,1,7,7,1,5,2,2, 75557863725914321321983,1,1,2,5,1,2047,2,2,5,1,31, 6,1,1,3,2,2]